MSI PRO B850M-A WIFI MATX Motherboard For AMD Socket AM5 - B850 Chipset, Supports AMD Ryzen 9000 / 8000 / 7000 Series Processor, PCIE 5.0, 2xM.2, 4x DDR5, 2x Internal USB 2.0 Header, 1x Internal USB 3.2 Header, 1x Internal Type C Header. 5G
MSI PRO B850M-A WIFI MATX Motherboard For AMD Socket AM5 - B850 Chipset, Supports AMD Ryzen 9000 / 8000 / 7000 Series Processor, PCIE 5.0, 2xM.2, 4x DDR5, 2x Internal USB 2.0 Header, 1x Internal USB 3.2 Header, 1x Internal Type C Header. 5G
- Brand: MSI
- MPN: PRO B850M-A WIFI
- Part #: MBDMSI37502
- UPC: 824142425459
Select your store to check availability
- Brand: MSI
- MPN: PRO B850M-A WIFI
- Part #: MBDMSI37502
- UPC: 824142425459
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Features
PRO B850M-A WIFI
- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
- Ultra Performance: Direct 8+2+1 Power System 60A SPS, 8+4-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
- Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
- EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna
- Lightning Fast Game experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2
- 5G LAN with Wi-Fi 7 Solution: the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
PRO B850M-A WIFI offers a simple design with a harmonious silver color scheme that perfectly matches both white and black PC builds. It is engineered with many exclusive features of MSI, a Wi-Fi 7 with EZ Antenna, 5G LAN, PCIe 5.0 M.2 with EZ M.2 Shield Frozr II, and Supplemental PCIe Power, ready for the AMD Ryzen™ 9000 series processors.
EZ M.2 SHIELD FROZR II
The EZ M.2 Shield Frozr II is a tool-free cooling solution designed to protect your M.2 SSDs while ensuring optimal thermal performance. This upgraded version, compared to the previous design, features two notches on the back of the heatsink for better alignment with the motherboard slot. With just one finger, you can easily install or remove the M.2 heatsink, making the installation of your M.2 SSD more convenient.
EZ M.2 CLIP II
MSI's exclusive EZ M.2 CLIP II makes M.2 installation seamless. Insert the SSD card into the slot and press it down to lock it in place with the clip. As fasten the SSD, flick the clip outwards and then the SSD is removed. The process is smooth, and you don't need to use your tools like before. One finger can give you perfect DIY experience.
EZ M.2 CLIP REMOVER
Introducing MSI's EZ M.2 CLIP II Remover, a handy tool designed to simply switching or repositioning the EZ M.2 CLIP II on your motherboard. This tool allows users to effortlessly detach the EZ M.2 CLIP II from the motherboard and reattach it to any desired M.2 slot. It is included in the accessory kit that comes with MSI motherboards.
ONE FINGER FOR EZ GPU INSTALLATION
The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger. Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.
FLASH BIOS BUTTON
Flash the BIOS with only a connected power supply by following a few steps.
CLEAR CMOS BUTTON
Restore the BIOS to the default settings - helpfull in 99% of the cases to successfully boot again.
PRE-INSTALLED I/O SHIELD
The Pre-Installed I/O Shield offers a streamlined and hassle-free installation experience by eliminating the need to manually fit the I/O shield during motherboard setup. With its built-in design, it ensures proper alignment and a secure fit, providing both protection and convenience while enhancing the overall durability of your build.
EZ MOUNTING
MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard.
DIRECT 8+2+1 POWER DESIGN
Unleash and sustain the maximum performance with a VRM design built with a total of 8+2+1 digital power phases. With 8+4-pin power connectors, PRO B850M-A WIFI is ready for the challenge of heavy-loading tasks.
OPTIMIZED PCB BUTTON
The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.
DDR5 MEMORY SUPPORT WITH HIGH PERFORMANCE
A huge step of DDR performance enhancement with the latest DDR5 memory. Combines with dedicated SMT welding process and MSI Memory Boost technology, PRO B850M-A WIFI is ready to deliver the world-class memory performance.
HIGH EFFICIENCY MODE
The High-Efficiency Mode is designed to optimize memory performance byincreasing memory bandwidth and reducing latency. With the four sets of RAM timing settings, it allows users to find out the optimal configuration based on the quality of their memory modules.
DIY 2.0- INTEGRATING WITH THE SYSTEM ENVIRONMENT
Connect and synchronize with MSI coolers and cases with strategically positioned pin-header locations including a dedicated pump-fan header.
COMBO FAN HEADER
The MSI Combo Fan Header is a versatile component, functioning as both a pump and or fan header. The header will automatically detects whether it is either pump or PWM/DC fan, with it's distinctive gray color ensuring easy identification
HIGH-BANDWIDTH AND LOW LATENCY NETWORK
MSI's premium network solution provides incredible data transfer speed for demanding users.
THE ISOLATED ANALOGY STRUCTURE FOR AUDIO CONNECTORS
To provide clear voice, MSI develops a unique structure - Isolated Analogy Structure. The external metal framework of the audio connectors is separated from the internal layout, which ensures the sound quality crisp.
GLOW YOUR PC
Splash on some color and vibrant RGB lighting effects using Mystic Light utility of MSI Center, which has million colors and fancy LED effects. Enjoy the full control and creativity of your PC's lighting with one software.
Specifications
Reviews
Accessories
Delivery & Pick-up
Delivery Estimates
The estimated time to ship for each product we sell is detailed on the individual product page just underneath the price. From when your items ship, products typically arrive within 1-2 working days for North Island deliveries and 2-3 working days for South Island deliveries. Rural deliveries may take an extra working day. Bulk & hazard deliveries may take an extra 2-4 working days.
Next Day Delivery
Need your order in a hurry? PB Tech offers next day delivery for local Auckland addresses. Simple place your order before 4pm (provided your items are in stock) and select our next day delivery option in the checkout. T&C's apply. Learn more about Next Day Delivery.
Same Day Delivery
Need your order in a hurry? PB Tech offers same day delivery for Auckland, Hamilton, Wellington and Christchurch. Simple place your order before 1pm (provided your items are in stock) and select one of our same day delivery options 'Evening Delivery' or 'Urgent 3-hour Delivery' in the checkout. T&C's apply. Learn more about Same Day Delivery.
Shipping Costs
Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.
To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.
Shipping Security & Insurance
All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.
1 Hour Store Pick-up / Click & Collect
You can pick-up your online order from any of our stores nationwide. You can select which store you want to pick up from at the checkout. Provided the store you select has stock and there's no hold-ups with payment we will have your order ready within 1 hour (during normal trading hours for that store) otherwise it may take up to 5 working days to transfer the stock to the store so your order can be fulfilled. Learn more about our Click & Collect process.
Overseas Shipments
PB Tech regularly ships overseas to Australia and beyond. If you are located in Australia, you can order directly from our Australian site www.pbtech.com/au. If you are from another country you can order from www.pbtech.com
Returns & Warranty
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MSI PRO B850M-A WIFI MATX Motherboard For AMD Socket AM5 - B850 Chipset, Supports AMD Ryzen 9000 / 8000 / 7000 Series Processor, PCIE 5.0, 2xM.2, 4x DDR5, 2x Internal USB 2.0 Header, 1x Internal USB 3.2 Header, 1x Internal Type C Header. 5G
- Brand: MSI
- MPN: PRO B850M-A WIFI
- Part #: MBDMSI37502
- UPC:824142425459
Product URL: https://www.pbtech.co.nz/product/MBDMSI37502/imgad/aib/Bottom-Left-160x300_20251104143713.png
| Branch | New Stock | On Display |
|---|---|---|
| Auckland - Albany | 0 | |
| Auckland - Glenfield | 0 | |
| Auckland - Queen Street | 0 | |
| Auckland - Auckland Uni | 0 | |
| Auckland - Westgate | 2 | |
| Auckland - Penrose | 0 | |
| Auckland - Henderson (Express) | 0 | |
| Auckland - St Lukes | 0 | |
| Auckland - Manukau | 0 | |
| Hamilton | 0 | |
| Tauranga | 0 | |
| New Plymouth | 0 | |
| Palmerston North | 0 | |
| Petone | 0 | |
| Wellington | 1 | |
| Auckland - Head Office | 13 | |
| Auckland - East Tamaki Warehouse | 0 | |
| Christchurch - Hornby | 0 | |
| Christchurch - Christchurch Central | 0 | |
| Dunedin | 0 |
Features
PRO B850M-A WIFI
- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
- Ultra Performance: Direct 8+2+1 Power System 60A SPS, 8+4-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
- Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
- EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna
- Lightning Fast Game experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2
- 5G LAN with Wi-Fi 7 Solution: the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
PRO B850M-A WIFI offers a simple design with a harmonious silver color scheme that perfectly matches both white and black PC builds. It is engineered with many exclusive features of MSI, a Wi-Fi 7 with EZ Antenna, 5G LAN, PCIe 5.0 M.2 with EZ M.2 Shield Frozr II, and Supplemental PCIe Power, ready for the AMD Ryzen™ 9000 series processors.
EZ M.2 SHIELD FROZR II
The EZ M.2 Shield Frozr II is a tool-free cooling solution designed to protect your M.2 SSDs while ensuring optimal thermal performance. This upgraded version, compared to the previous design, features two notches on the back of the heatsink for better alignment with the motherboard slot. With just one finger, you can easily install or remove the M.2 heatsink, making the installation of your M.2 SSD more convenient.
EZ M.2 CLIP II
MSI's exclusive EZ M.2 CLIP II makes M.2 installation seamless. Insert the SSD card into the slot and press it down to lock it in place with the clip. As fasten the SSD, flick the clip outwards and then the SSD is removed. The process is smooth, and you don't need to use your tools like before. One finger can give you perfect DIY experience.
EZ M.2 CLIP REMOVER
Introducing MSI's EZ M.2 CLIP II Remover, a handy tool designed to simply switching or repositioning the EZ M.2 CLIP II on your motherboard. This tool allows users to effortlessly detach the EZ M.2 CLIP II from the motherboard and reattach it to any desired M.2 slot. It is included in the accessory kit that comes with MSI motherboards.
ONE FINGER FOR EZ GPU INSTALLATION
The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger. Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.
FLASH BIOS BUTTON
Flash the BIOS with only a connected power supply by following a few steps.
CLEAR CMOS BUTTON
Restore the BIOS to the default settings - helpfull in 99% of the cases to successfully boot again.
PRE-INSTALLED I/O SHIELD
The Pre-Installed I/O Shield offers a streamlined and hassle-free installation experience by eliminating the need to manually fit the I/O shield during motherboard setup. With its built-in design, it ensures proper alignment and a secure fit, providing both protection and convenience while enhancing the overall durability of your build.
EZ MOUNTING
MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard.
DIRECT 8+2+1 POWER DESIGN
Unleash and sustain the maximum performance with a VRM design built with a total of 8+2+1 digital power phases. With 8+4-pin power connectors, PRO B850M-A WIFI is ready for the challenge of heavy-loading tasks.
OPTIMIZED PCB BUTTON
The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.
DDR5 MEMORY SUPPORT WITH HIGH PERFORMANCE
A huge step of DDR performance enhancement with the latest DDR5 memory. Combines with dedicated SMT welding process and MSI Memory Boost technology, PRO B850M-A WIFI is ready to deliver the world-class memory performance.
HIGH EFFICIENCY MODE
The High-Efficiency Mode is designed to optimize memory performance byincreasing memory bandwidth and reducing latency. With the four sets of RAM timing settings, it allows users to find out the optimal configuration based on the quality of their memory modules.
DIY 2.0- INTEGRATING WITH THE SYSTEM ENVIRONMENT
Connect and synchronize with MSI coolers and cases with strategically positioned pin-header locations including a dedicated pump-fan header.
COMBO FAN HEADER
The MSI Combo Fan Header is a versatile component, functioning as both a pump and or fan header. The header will automatically detects whether it is either pump or PWM/DC fan, with it's distinctive gray color ensuring easy identification
HIGH-BANDWIDTH AND LOW LATENCY NETWORK
MSI's premium network solution provides incredible data transfer speed for demanding users.
THE ISOLATED ANALOGY STRUCTURE FOR AUDIO CONNECTORS
To provide clear voice, MSI develops a unique structure - Isolated Analogy Structure. The external metal framework of the audio connectors is separated from the internal layout, which ensures the sound quality crisp.
GLOW YOUR PC
Splash on some color and vibrant RGB lighting effects using Mystic Light utility of MSI Center, which has million colors and fancy LED effects. Enjoy the full control and creativity of your PC's lighting with one software.
Specifications
Chipset
AMD B850
CPU
Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
Memory
4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory
Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency:
- 1DPC 1R Max speed up to 8200+ MT/s
- 1DPC 2R Max speed up to 6400+ MT/s
- 2DPC 1R Max speed up to 6400+ MT/s
- 2DPC 2R Max speed up to 6000+ MT/s
Supports AMD POR Speed and JEDEC Speed
Supports Memory Overclocking and AMD EXPOTM
Supports Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM, Clock Driver bypass mode only*
* CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility.
The DIMM slots on this motherboard only have single-sided latches.
Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product's Support page or visit https://www.msi.com/support/.
Onboard Graphics
1x HDMI™
Support HDMITM 2.1, maximum resolution of 4K 60Hz*
1x DisplayPort
Support DisplayPort 1.4, maximum resolution of 4K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot
2x PCI-E x16 slot
1x PCI-E x1 slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
PCI_E1 slot
Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors)
Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor)
Audio
Realtek® ALC897
7.1-Channel High Definition Audio
Storage
2x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G
M2_1 slot
- Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
- Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors)
M2_2 slot
- Supports up to PCIe 4.0 x4
- Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)
*Please refer to the manual for M.2 SSD heatsink restrictions.
RAID
Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
USB
4x USB 2.0 (Front)
3x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
3x USB 10Gbps Type A (Rear)
2x USB 10Gbps Type C (Rear)
1x USB 10Gbps Type C (Front)
LAN
Realtek® 8126VB 5G LAN
Internal IO
1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
3x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
1x Tuning Controller connector(JDASH)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
WIRELESS LAN & BLUETOOTH
Wi-Fi 7
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (160MHz) up to 2.9Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be
Supports Bluetooth® 5.4**, MLO, 4KQAM
* 6GHz band support may depend on every country's regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2.
** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor's website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
LED FEATURE
4x EZ Debug LED
1x EZ Memory Detection LED
BACK PANEL PORTS
Clear CMOS Button
DisplayPort
USB 10Gbps Type-A
USB 10Gbps Type-A
USB 5Gbps Type-A
5G LAN
Wi-Fi / Bluetooth
Audio connectors
Flash BIOS Button
HDMI™
USB 10Gbps Type-C
USB 5Gbps Type-A
OPERATING SYSTEM
Support for Windows® 11 64-bit
PCB Info
mATX
243.84mmx243.84mm
